Using signal media and artificial intelligence in news

The analysis of news to identify signals and triggers is not new, but it is increasingly important and is finding application beyond the world of finance as the techniques are used to help identify misleading news items. In this article, Martin Murtland explores the technology and techniques used in news signal identification as well as highlighting providers such as Lexalytics, Clarabridge, InferLink, Sysomos and Open Calais.